// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package pprof

import (
	"context"

	"go.uber.org/fx"
)

// Requires *config.PProf available in container.
var Module = fx.Options(
	fx.Provide(NewInitializer),
	fx.Invoke(LifetimeHooks),
)

func LifetimeHooks(
	lc fx.Lifecycle,
	pprof *PProfInitializerImpl,
) {
	lc.Append(
		fx.Hook{
			OnStart: func(context.Context) error {
				return pprof.Start()
			},
			// todo: refactor pprof to gracefully shutdown http server
			// OnStop: func(ctx context.Context) error {
			// 	pprof.Stop()
			// 	return nil
			// },
		},
	)
}
